Home / 12,791,157.90-19,196,686.41-8,927,882.94

Finding the Fourth Proportional to 12,791,157.90, 19,196,686.41 and 8,927,882.94

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Solution

The fourth proportional to 12,791,157.90, 19,196,686.41 and 8,927,882.94 is: 13,398,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,157.90 : 19,196,686.41 = 8,927,882.94 : x
  2. Step 2: Convert to fraction form
    12,791,157.90/19,196,686.41 = 8,927,882.94/x
  3. Step 3: Cross multiply
    12,791,157.90x = 19,196,686.41 × 8,927,882.94
  4. Step 4: Simplify right side
    12,791,157.90x = 171,385,769,104,368.84
  5. Step 5: Solve for x
    x = 171,385,769,104,368.84/12,791,157.90
  6. Step 6: Final answer
    x = 13,398,768.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.